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From: Toke =?utf-8?Q?H=C3=B8iland-J=C3=B8rgensen?= <toke@toke.dk>
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To: Eric Dumazet <edumazet@google.com>, "David S . Miller"
 <davem@davemloft.net>, Jakub Kicinski <kuba@kernel.org>, Paolo Abeni
 <pabeni@redhat.com>
Cc: Simon Horman <horms@kernel.org>, Jamal Hadi Salim <jhs@mojatatu.com>,
 Jiri Pirko <jiri@resnulli.us>, netdev@vger.kernel.org,
 eric.dumazet@gmail.com, Eric Dumazet <edumazet@google.com>
Subject: Re: [PATCH net 1/2] net/sched: sch_cake: annotate data-races in
 cake_dump_class_stats (I)
In-Reply-To: <20260430061610.3503483-2-edumazet@google.com>
References: <20260430061610.3503483-1-edumazet@google.com>
 <20260430061610.3503483-2-edumazet@google.com>
Date: Sat, 02 May 2026 23:32:13 +0200
X-Clacks-Overhead: GNU Terry Pratchett
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Eric Dumazet <edumazet@google.com> writes:

> cake_dump_class_stats() runs without qdisc spinlock being held.
>
> In this first patch, I add READ_ONCE()/WRITE_ONCE() annotations for:
>
> - flow->head
> - flow->dropped
> - b->backlogs[]
>
> Fixes: 046f6fd5daef ("sched: Add Common Applications Kept Enhanced (cake)=
 qdisc")
> Signed-off-by: Eric Dumazet <edumazet@google.com>

Acked-by: Toke H=C3=B8iland-J=C3=B8rgensen <toke@toke.dk>